2 #define I3__FILE__ "util.c"
17 #if defined(__OpenBSD__)
18 #include <sys/cdefs.h>
22 #include <yajl/yajl_version.h>
25 #define SN_API_NOT_YET_FROZEN 1
26 #include <libsn/sn-launcher.h>
28 int min(
int a,
int b) {
29 return (a < b ? a : b);
32 int max(
int a,
int b) {
33 return (a > b ? a : b);
37 return (x >= rect.
x &&
38 x <= (rect.
x + rect.
width) &&
56 uint32_t old_value = *destination;
58 return ((*destination = new_value) != old_value);
78 char *migratepath = name;
79 argv[0] = migratepath;
80 execvp(migratepath, argv);
86 char *dir = dirname(pathbuf);
87 sasprintf(&migratepath,
"%s/%s", dir, name);
88 argv[0] = migratepath;
89 execvp(migratepath, argv);
91 #if defined(__linux__)
94 if (readlink(
"/proc/self/exe", buffer, BUFSIZ) == -1) {
95 warn(
"could not read /proc/self/exe");
98 dir = dirname(buffer);
99 sasprintf(&migratepath,
"%s/%s", dir, name);
100 argv[0] = migratepath;
101 execvp(migratepath, argv);
104 warn(
"Could not start %s", name);
113 void check_error(xcb_connection_t *
conn, xcb_void_cookie_t cookie,
char *err_message) {
114 xcb_generic_error_t *error = xcb_request_check(conn, cookie);
116 fprintf(stderr,
"ERROR: %s (X error %d)\n", err_message , error->error_code);
117 xcb_disconnect(conn);
129 static glob_t globbuf;
130 char *head, *tail, *result;
132 tail = strchr(path,
'/');
133 head = strndup(path, tail ? tail - path : strlen(path));
135 int res = glob(head, GLOB_TILDE, NULL, &globbuf);
138 if (res == GLOB_NOMATCH || globbuf.gl_pathc != 1)
141 die(
"glob() failed");
143 head = globbuf.gl_pathv[0];
144 result =
scalloc(strlen(head) + (tail ? strlen(tail) : 0) + 1);
145 strncpy(result, head, strlen(head));
147 strncat(result, tail, strlen(tail));
160 return (stat(path, &buf) == 0);
171 for (num_args = 0; original[num_args] != NULL; num_args++) {
172 DLOG(
"original argument: \"%s\"\n", original[num_args]);
174 if (strcmp(original[num_args], argument) == 0)
178 char **result =
smalloc((num_args+2) *
sizeof(
char*));
179 memcpy(result, original, num_args *
sizeof(
char*));
180 result[num_args] = argument;
181 result[num_args+1] = NULL;
193 static char *dir = NULL;
196 if ((dir = getenv(
"XDG_RUNTIME_DIR"))) {
201 if (mkdir(dir, 0700) == -1) {
209 struct passwd *pw = getpwuid(getuid());
210 const char *username = pw ? pw->pw_name :
"unknown";
211 sasprintf(&dir,
"/tmp/i3-%s.XXXXXX", username);
213 if (mkdtemp(dir) == NULL) {
220 sasprintf(&filename,
"%s/%s.%d", dir, prefix, getpid());
224 #define y(x, ...) yajl_gen_ ## x (gen, ##__VA_ARGS__)
225 #define ystr(str) yajl_gen_string(gen, (unsigned char*)str, strlen(str))
228 setlocale(LC_NUMERIC,
"C");
230 yajl_gen gen = yajl_gen_alloc(NULL);
232 yajl_gen gen = yajl_gen_alloc(NULL, NULL);
237 setlocale(LC_NUMERIC,
"");
239 const unsigned char *payload;
245 y(get_buf, &payload, &length);
258 int fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
266 while (written < length) {
267 int n = write(fd, payload + written, length - written);
276 printf(
"write == 0?\n");
283 printf(
"written: %d of %zd\n", written, length);
285 printf(
"written: %d of %d\n", written, length);
291 printf(
"layout: %.*s\n", (
int)length, payload);
319 if (restart_filename != NULL) {
322 for (num_args = 0;
start_argv[num_args] != NULL; num_args++);
323 char **new_argv =
scalloc((num_args + 3) *
sizeof(
char*));
327 bool skip_next =
false;
328 for (
int i = 0; i < num_args; ++i) {
339 new_argv[write_index++] =
"--restart";
340 new_argv[write_index] = restart_filename;
350 #if defined(__OpenBSD__) || defined(__APPLE__)
357 void *memmem(
const void *l,
size_t l_len,
const void *s,
size_t s_len) {
358 register char *cur, *last;
359 const char *cl = (
const char *)l;
360 const char *cs = (
const char *)s;
363 if (l_len == 0 || s_len == 0)
372 return memchr(l, (
int)*cs, l_len);
375 last = (
char *)cl + l_len - s_len;
377 for (cur = (
char *)cl; cur <= last; cur++)
378 if (cur[0] == cs[0] && memcmp(cur, cs, s_len) == 0)